Home / 205,094,689.20-307,642,033.80-197,928,327.60

Finding the Fourth Proportional to 205,094,689.20, 307,642,033.80 and 197,928,327.60

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Solution

The fourth proportional to 205,094,689.20, 307,642,033.80 and 197,928,327.60 is: 296,892,491.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,094,689.20 : 307,642,033.80 = 197,928,327.60 : x
  2. Step 2: Convert to fraction form
    205,094,689.20/307,642,033.80 = 197,928,327.60/x
  3. Step 3: Cross multiply
    205,094,689.20x = 307,642,033.80 × 197,928,327.60
  4. Step 4: Simplify right side
    205,094,689.20x = 60,891,073,249,496,672
  5. Step 5: Solve for x
    x = 60,891,073,249,496,672/205,094,689.20
  6. Step 6: Final answer
    x = 296,892,491.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.